Home / 22,418.88-33,639.73-17,187.39

Finding the Fourth Proportional to 22,418.88, 33,639.73 and 17,187.39

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Solution

The fourth proportional to 22,418.88, 33,639.73 and 17,187.39 is: 25,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.88 : 33,639.73 = 17,187.39 : x
  2. Step 2: Convert to fraction form
    22,418.88/33,639.73 = 17,187.39/x
  3. Step 3: Cross multiply
    22,418.88x = 33,639.73 × 17,187.39
  4. Step 4: Simplify right side
    22,418.88x = 578,179,073.07
  5. Step 5: Solve for x
    x = 578,179,073.07/22,418.88
  6. Step 6: Final answer
    x = 25,789.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.